Tracy is located on the northwest side of the Platte River directly across from Platte City. Missouri Route 92 serves the city and I-29 passes to the northeast. According to the United States Census Bureau, the city has a total area of, of which is land and is water.
As of the census of 2010, there were 208 people, 81 households, and 56 families living in the city. The population density was. There were 88 housing units at an average density of. The racial makeup of the city was 98.6% White, 0.5% Asian, and 1.0% from two or more races. Hispanic or Latino of any race were 3.4% of the population. There were 81 households of which 30.9% had children under the age of 18 living with them, 56.8% were married couplesliving together, 8.6% had a female householder with no husband present, 3.7% had a male householder with no wife present, and 30.9% were non-families. 23.5% of all households were made up of individuals and 4.9% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.13. The median age in the city was 43 years. 25% of residents were under the age of 18; 3.4% were between the ages of 18 and 24; 24.5% were from 25 to 44; 34.7% were from 45 to 64; and 12.5% were 65 years of age or older. The gender makeup of the city was 49.0% male and 51.0% female.
2000 census
As of the census of 2000, there were 213 people, 79 households, and 60 families living in the city. The population density was 987.4 people per square mile. There were 86 housing units at an average density of 398.7 per square mile. The racial makeup of the city was 97.18% White, 1.41% African American, and 1.41% from two or more races. There were 79 households out of which 34.2% had children under the age of 18 living with them, 67.1% were married couples living together, 7.6% had a female householder with no husband present, and 22.8% were non-families. 20.3% of all households were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.70 and the average family size was 3.07. In the city the population was spread out with 25.8% under the age of 18, 8.0% from 18 to 24, 29.1% from 25 to 44, 24.9% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 102.9 males. For every 100 females age 18 and over, there were 92.7 males. The median income for a household in the city was $51,250, and the median income for a family was $54,375. Males had a median income of $33,750 versus $25,972 for females. The per capita income for the city was $21,082. About 11.5% of families and 9.0% of the population were below the poverty line, including 9.5% of those under the age of eighteen and none of those sixty five or over.
